patch 8.0.1051: cannot run terminal with spaces in argument commit https://github.com/vim/vim/commit/9d654a8d8cd3421307445f111785fb303a38c2a0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Sep 3 19:52:17 2017 +0200 patch 8.0.1051: cannot run terminal with spaces in argument Problem: Cannot run terminal with spaces in argument. Solution: Accept backslash to escape space and other characters. (closes #1999)

" Settings for test script execution
" Always use "sh", don't use the value of "$SHELL".
set shell=sh

" Only when the +eval feature is present. 
if 1
  " While some tests overwrite $HOME to prevent them from polluting user files,
  " we need to remember the original value so that we can tell external systems
  " where to ask about their own user settings.
  let g:tester_HOME = $HOME
endif

source setup.vim